Upper Coolant Pipe, Removing And Installing: Removing

Fig 1: Identifying Intake Manifold Lower Section Bolt/Nut

Courtesy of AUDI OF AMERICA, LLC

-- Drain the coolant, refer to COOLANT, DRAINING AND FILLING .

-- Remove the right lower section of the intake manifold, refer to INTAKE MANIFOLD LOWER SECTION WITH FUEL RAIL, REMOVING AND INSTALLING .

-- Remove the nuts -arrows- and the high pressure line protective plate -1-.

Fig 2: Identifying Nuts -Arrows- And Protective Plate -1-

Courtesy of AUDI OF AMERICA, LLC

-- Remove the front secondary air hose -arrow- from its bracket and disconnect it; do to so press the release buttons.

Fig 3: Identifying Front Air Hose -Arrow

Courtesy of AUDI OF AMERICA, LLC

-- Remove the threaded connection -1-.

-- Loosen the union nuts -2- and -3- by counterholding at the connections.

-- Remove the bolts -arrows- on the retaining plates and the high pressure line.

Fig 4: Bolts

Courtesy of AUDI OF AMERICA, LLC

-- Open the clamp -2- and remove the coolant hose form the coolant pipe.

-- Remove the bolt -1- and remove the coolant pipe back out of the cylinder block -arrow-.

Fig 5: Coolant Pipe Clamp And Bolt

Courtesy of AUDI OF AMERICA, LLC